The uniform microwave radiation remaining from the Big Bang
Let s = rate of rotation
<span>Let r = radius of earth = 6,400km </span>
<span>Then solving (s^2) r = g will give the desired rate, from which length of day is inferred. </span>
<span>People would not be thrown off. They would simply move eastward in a straight line while the curved surface of earth fell away from beneath them.</span>
A peak = A Rms x Sq root 2
Therefore 3.6 x sq root of 2
A peak = 5.09